Backup camera possibility?

Specific Inspection Topics Thermal Imaging, Infrared Cameras & Energy Audits
#1

What are your thoughts on having this as a backup device to a flir E8 in case the need arises? For a home inspection type of use only.

#2

Interesting product for $700

#3

How about a cell phone and camera back up?
http://www.catphones.com/en-ca/phones/s60-smartphone

#4

I have my first IR camera as a backup. Fluke Ti100.